Want to improve your vocabulary? Play Free Rice and feed a hungry person at the same time. From the website:
For every word you get right, they donate 10 grains of rice. This game is addicting! At least to me it is. And if you are already a smarty pants know it all, they also have math, science, geography, art history, other languages and more. You can also put a button on your blog for easy access and to get others in on the fun.FreeRice is a non-profit website run by the United Nations World Food Program. Our partner is the Berkman Center for Internet & Society at Harvard University.FreeRice has two goals:
1.Provide education to everyone for free.
2.Help end world hunger by providing rice to hungry people for free.